Hard nut to crack
nantuː kɛnθɹiː dɛfaɪv ɡʌθɹiː taʊtuː natuːn kɛθɹiːn də ɡʌθɹiːtuː
In Chinese 难啃的骨头 (nán kěn de gǔtou)
This idiom is commonly used in Mandarin Chinese.
Example
"这个问题是个难啃的骨头。"
nantuː kɛnθɹiː dɛfaɪv ɡʌθɹiː taʊtuː natuːn kɛθɹiːn də ɡʌθɹiːtuː
In Chinese 难啃的骨头 (nán kěn de gǔtou)
This idiom is commonly used in Mandarin Chinese.
"这个问题是个难啃的骨头。"
